article · 09/02/2015

Synthesis of Programmable Reaction-Diffusion Fronts Using DNA Catalyzers

Anton S. Zadorin, Yannick Rondelez, Jean-Christophe Galas, Andre Estevez-Torres

Résumé

We introduce a DNA-based reaction-diffusion (RD) system in which reaction and diffusion terms can be precisely and independently controlled. The effective diffusion coefficient of an individual reaction component, as we demonstrate on a traveling wave, can be reduced up to 2.7-fold using a self-assembled hydrodynamic drag. The intrinsic programmability of this RD system allows us to engineer, for the first time, orthogonal autocatalysts that counterpropagate with minimal interaction. Our results are in excellent quantitative agreement with predictions of the Fisher-Kolmogorov-Petrovskii-Piscunov model. These advances open the way for the rational engineering of pattern formation in pure chemical RD systems.

Citer cet article

Zadorin, A.-S., Rondelez, Y., Galas, J.-C., & Estevez-Torres, A. (2015). Synthesis of Programmable Reaction-Diffusion Fronts Using DNA Catalyzers. Phys. Rev. Lett., 114(6). https://doi.org/10.1103/PhysRevLett.114.068301

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